Enough said
Definition 1 of 1
Pro Tip 1/3Conversational Closure
Used to indicate that nothing more needs to be said about the subject. 
He got an A without studying, enough said.
Pro Tip 2/3Implied Understanding
Signals that the listener or reader is expected to agree or understand without further explanation. 
The look on her face was priceless, enough said.
Pro Tip 3/3Subtext of Disapproval
Can imply a mild form of disapproval or criticism when stating a fact. 
He's been late every day, enough said.